How to Backup Outlook OST file to PST

Here, in this blog, you will get to know the best way to backup Outlook OST file to PST with the help of free manual method. Before going on the process to backup Outlook OST file to PST, let us know some situations in which many users wants to backup Outlook data file OST.

  • To Resolve OST File Corruption Problem in Future
  • To Recover Accidentally Deleted Data
  • It helps to Migrate the Data From one Place to Another

Now we are going to explain you the step-by-step process of manual and automated methods. However, if the you cannot complete the operation using a manual method, then you can seek the help of an automated solution that we have discussed below to resolve this issue.


Method 1: Export Outlook data to backup OST file

  • Launch Microsoft Outlook on windows operating system, click the File tab.
  • Now, go to the option Open & Export and click on Import or Export
  • In the next window that appears on the screen, select Export to a file option and click on Next tab.
  • Now, select Outlook data file (.pst) option in the next window and then click the next tab.
  • Here, you need to check the folders you want to backup or check the Include subfolders to create the entire OST backup and click the Next button.
  • Click "Browse," and then navigate to your preferred save location. Enter an identifying name for your backup file, and then click "OK."
  • Now, select do not export duplicate items to avoid duplicates before you click on Finish.

Method 2: Archive Outlook folders to backup OST

Archiving is not exactly backing up the OST file; it is more like moving your important data on to a separate folder in Outlook. Remember archiving doesn't backup Outlook contacts, know how to backup and move Outlook Contacts here.

You can follow these set of instruction given below to archive Outlook:

  • Open Microsoft Outlook on your local system and click on File tab
  • Now you need to click on Tools (or Cleanup Tools for Older Outlook versions)
  • A screen will open up on the screen. Select Set Archive Folders ( Archive for Outlook 2016 and previous versions)
  • In the Setup Archive Window, Browse the destination location where the archived PST file is to be saved.
  • At last click the Ok button to finish the Outlook archiving process.

Above both methods is useful for backup Outlook OST file to PST. However, there are certain limitations to these methods:


Limitations of backup Outlook OST file

  • These both manual methods are more time-consuming and has tedious backup process.
  • Manual methods require high level of technical expertise to handle the complete backup task.
  • While using the manual method to backup Outlook OST file to PST involves high risk of data loss during the process.
  • You must be using the same computer that the OST file was created on. If you are using another new computer, you will not be able to use manual methods.
  • A virus or malicious software attack can corrupt multiple OST files that cannot be repaired using the manual methods, resulting in inaccessible OST files.
  • If an e-mail or other e-mail component such as Contact is accidentally deleted, the archiving method and the export/import wizard do not restore the deleted e-mail or other component.

The Best Method to backup OST file

If you are faced with any of these limitations, you will not be able to back up Outlook OST file to PST using manual methods. However, we have an automated solution to overcome these limitations: you can use an OST converter tool to backup Outlook OST file to PST within few clicks accurately. The software helps:

  • Backup multiple OST files (with Batch backup of OST data)
  • Efficiently takes the backup of deleted email and other mail components
  • Convert and backup OST into PST and keeps OST data formatting and data hierarchy intact
  • Resolve Synchronization errors and other Outlook related errors
  • Display the preview of selected OST files emails before actual backup
  • Backup encrypted OST files data to Office 365 or Exchange Server Platform

Aside from these features, the software also helps with the Compact and Split option to further minimize the risk of PST file corruption.

Steps to be followed to backup Outlook OST file to PST format:

Step 1: Install and Run OST to PST Converter software on your system. Check the 'Add file' option to upload OST data files on tool's panel.


Step 2: The tool will automatically pick the default location of OST files and load it on software’s panel. Click the scan option.


Step 3: Now, check the desired folder from the listed folders and click on Next button.


Step 4: Choose the desired file saving option in which you want to backup OST file data. And also enter the file destination where you want to save the data on your local system after backup.


Step 5: here, the software also provides you an optional option with which you can easily backup Outlook OST file in Office 365 & Live Exchange Server platform. You just need to enter your User ID and Password and click Connect tab given below.


Step 6: Once the backup process is completed, the tool will give the completion message as shown in the screenshot given below.